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Channing Tatum and his wife Jenna Dewan arrive at the premiere of '21 Jump Street' on March 13. 2012 in Los Angeles -- Getty Images

Channing Tatum developed a newfound respect for wife Jenna Dewan-Tatum after watching the 32-year-old beauty give birth to their first child in May.

"There's a real reason why God did not give [men] the ability to have babies, because we would not be able to do it," Channing told Chelsea Handler on "Chelsea Lately" Thursday night. "I don't know how [women] do it. It's a real thing. It's like National Geographic animal-style for real. I don't get it."

Watching Jenna struggle through labor made the "White House Down" star feel incredibly helpless - so much so that he succumbed to multiple rounds of tears.

"It's like someone's hurting, someone that you love and you can't do anything about it," he said. "You physically cannot help. And I'm still not helping and the baby's out. It doesn't matter. You are useless."

Adding, "Men are useless but like, we are really useless during this. The baby's gonna come out whether you're there or not."